Nuclear Science References (NSR)
NSR Reference Paper NIM A 640, 213 (2011)
Database version of April 25, 2024

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1986RE11

Z.Phys. A325, 127 (1986)

N.Redon, T.Ollivier, R.Beraud, A.Charvet, R.Duffait, A.Emsallem, J.Honkanen, M.Meyer, J.Genevey, A.Gizon, N.Idrissi

New Exotic Neutron-Deficient Nuclei near N = 82

NUCLEAR REACTIONS 112Sn, 106Cd(35Cl, X), E=190 MeV; 112Sn, 106Cd(32S, X), E=170 MeV; measured γ(K X-ray)-coin; deduced evidence for 138Eu, 141Gd, 143Tb, 144Dy.

RADIOACTIVITY 137Sm(β+) [from 106Cd(35Cl, X), E=190 MeV]; measured Eγ, Iγ, γ(X-ray)-coin; deduced T1/2. 137Pm deduced levels, γ-branching, possible J, π. 138Eu(EC), (β+) [from 106Cd(35Cl, X), E=190 MeV]; measured γ(K X-ray)-coin; deduced level, T1/2, J, π, log ft. 138Sm deduced levels, J, π, γ-branching, band structure. 139Eu [from 112Sn(32S, X), E=170 MeV; 106Cd(35Cl, X), E=190 MeV]; measured Eγ, Iγ; deduced T1/2, log ft. 139Sm deduced levels, γ-branching, isomer T1/2, J, π, decay characteristics. 140Gd [from 112Sn(32S, X), E=170 MeV]; measured γ(X-ray)-coin; deduced T1/2. 140Eu(β+), (EC) [from 140Gd decay]; measured Eγ, Iγ; deduced T1/2. 140Sm deduced no 4+→2+ transition. 141Gd [from 112Sn(32S, X)E, =170 MeV; 112Sn(35Cl, X), E=190 MeV]; measured γ(X-ray)-coin; deduced T1/2, possible J, π. 141Eu deduced levels, γ-branching, isomer decay characteristics. 143Tb(EC), (β+) [from 112Sn(35Cl, X), E=190 MeV]; measured γ(X-ray)-coin. 143Gd deduced levels, J, π, γ-branching, ICC. 144Dy [from 112Sn(35Cl, X), E+190 MeV]; measured γ(X-ray)-coin; deduced T1/2. 144Tb deduced levels, γ-branching, J, π, isomer decay charateristics. 144,144mTb(EC), (β+); measured γ-decay; deduced T1/2 upper limit. 144Gd deduced levels, J, π, γ-branching, γ-multipolarity, δ.

NUCLEAR STRUCTURE 137,139Ce, 139,141Nd, 141,143Sm, 143,145Gd; calculated levels. 138,140,142,144Gd, 134,136,138,140,142Sm, 128,130,132,134,136,138,140Nd, 126,128,130,132,134,136,138Ce; calculated (E(4+)/E(2+)). 138,140,142,144Gd, 136,138,140,142Sm, 134,136,138,140Nd; analyzed 2+ level systematics. 138Sm, 136,138Nd; analyzed band structure.

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